diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/crypto/keyring.py | 72 |
1 files changed, 51 insertions, 21 deletions
diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index cce40fdd2d..8c125e3a46 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -17,6 +17,7 @@ import logging from collections import namedtuple +from six import raise_from from six.moves import urllib from signedjson.key import ( @@ -35,7 +36,12 @@ from unpaddedbase64 import decode_base64 from twisted.internet import defer -from synapse.api.errors import Codes, RequestSendFailed, SynapseError +from synapse.api.errors import ( + Codes, + HttpResponseException, + RequestSendFailed, + SynapseError, +) from synapse.util import logcontext, unwrapFirstError from synapse.util.logcontext import ( LoggingContext, @@ -44,6 +50,7 @@ from synapse.util.logcontext import ( run_in_background, ) from synapse.util.metrics import Measure +from synapse.util.retryutils import NotRetryingDestination logger = logging.getLogger(__name__) @@ -367,13 +374,18 @@ class Keyring(object): server_name_and_key_ids, perspective_name, perspective_keys ) defer.returnValue(result) + except KeyLookupError as e: + logger.warning( + "Key lookup failed from %r: %s", perspective_name, e, + ) except Exception as e: logger.exception( "Unable to get key from %r: %s %s", perspective_name, type(e).__name__, str(e), ) - defer.returnValue({}) + + defer.returnValue({}) results = yield logcontext.make_deferred_yieldable(defer.gatherResults( [ @@ -421,21 +433,30 @@ class Keyring(object): # TODO(mark): Set the minimum_valid_until_ts to that needed by # the events being validated or the current time if validating # an incoming request. - query_response = yield self.client.post_json( - destination=perspective_name, - path="/_matrix/key/v2/query", - data={ - u"server_keys": { - server_name: { - key_id: { - u"minimum_valid_until_ts": 0 - } for key_id in key_ids + try: + query_response = yield self.client.post_json( + destination=perspective_name, + path="/_matrix/key/v2/query", + data={ + u"server_keys": { + server_name: { + key_id: { + u"minimum_valid_until_ts": 0 + } for key_id in key_ids + } + for server_name, key_ids in server_names_and_key_ids } - for server_name, key_ids in server_names_and_key_ids - } - }, - long_retries=True, - ) + }, + long_retries=True, + ) + except (NotRetryingDestination, RequestSendFailed) as e: + raise raise_from( + KeyLookupError("Failed to connect to remote server"), e, + ) + except HttpResponseException as e: + raise raise_from( + KeyLookupError("Remote server returned an error"), e, + ) keys = {} @@ -502,11 +523,20 @@ class Keyring(object): if requested_key_id in keys: continue - response = yield self.client.get_json( - destination=server_name, - path="/_matrix/key/v2/server/" + urllib.parse.quote(requested_key_id), - ignore_backoff=True, - ) + try: + response = yield self.client.get_json( + destination=server_name, + path="/_matrix/key/v2/server/" + urllib.parse.quote(requested_key_id), + ignore_backoff=True, + ) + except (NotRetryingDestination, RequestSendFailed) as e: + raise raise_from( + KeyLookupError("Failed to connect to remote server"), e, + ) + except HttpResponseException as e: + raise raise_from( + KeyLookupError("Remote server returned an error"), e, + ) if (u"signatures" not in response or server_name not in response[u"signatures"]): |